Bunsen Burner

air regulation
needle valve

Article no.
1010Natural gas250 g
1011Bottle gas250 g

DIN type
DIN-DVGW-Reg.-Nr. NG-2211AN0133

1010/1Natural gas250 g
1011/1Bottle gas250 g

Burners according to DIN 30665 cannot be switched off completely. A small flame remains burning even if needle valve or stop cock are turned off. The gas flow shall be disconnected by means of the central stop cock in the laboratory.
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The picture shows the burner with safety base (extra charge) .